Aroma diffuser



FIG. 1 is a top plan view of an aroma diffuser showing my new design;

FIG. 2 is a bottom plan view of FIG. 1 ;

FIG. 3 is a front elevational view of FIG. 1 ;

FIG. 4 is a rear elevational view of FIG. 1 ;

FIG. 5 is a right side view of FIG. 1 ;

FIG. 6 is a left side view of FIG. 1 ;

FIG. 7 is a top perspective view of FIG. 1 ;

FIG. 8 is a bottom, rear and left side perspective view of FIG. 1 ;

FIG. 9 is an another top perspective view of FIG. 1 ;

FIG. 10 is an enlarged view of portion 10 in FIG. 3 ; and,

FIG. 11 is an enlarged view of portion 11 in FIG. 9 .

CLAIM The ornamental design for an aroma diffuser, as shown anddescribed.